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Product Detailed Parameters
- Description：IC DAC 16BIT 16SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DAC
- Number of Channels：1
- Resolution (Bits)：16 b
- Sampling Rate (Per Second)：-
- Data Interface：MICROWIRE™, Serial
- Voltage Supply Source：Single Supply
- Voltage - Supply：3V, 3.3V, 5V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：16-SOIC
- Grade：-
- Qualification：-
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Overview
The AD421BRZRL7 is a 16-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. It features a single current output channel and operates on analog and digital supply voltages ranging from 2.95 V to 5.05 V. The device utilizes a 3-wire serial interface for data transmission. Key performance metrics include an integral nonlinearity (INL) of +/- 0.01% FSR, a settling time of 8 ms, and a power dissipation of 1.95 mW. It supports both external and internal reference types and lacks a shutdown function. The component is housed in a 16-lead SOIC package and functions within a temperature range of -40°C to +85°C.
Feature Summary
- 16-bit resolution with 1-channel current output
- Integral nonlinearity (INL) of +/- 0.01% FSR
- 3-wire serial interface compatibility
- Supply voltage range of 2.95 V to 5.05 V
Applications
- Industrial process control systems
- Data acquisition modules
- Programmable logic controller (PLC) I/O cards
Procurement Notes
Verify the specific suffix RL7 indicates reel packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor datasheets prior to procurement. Ensure the operating environment remains within the specified -40°C to +85°C temperature range to maintain guaranteed performance specifications.
Selection Notes
Select this component for applications requiring high precision 16-bit conversion with low power consumption. The 8 ms settling time and +/- 0.01% INL make it suitable for slow-speed, high-accuracy tasks. Verify that the system design accommodates the 3-wire interface protocol and that the required output current range aligns with the DAC's capabilities without additional amplification.
Part Context
This part belongs to the AD421 series of 16-bit DACs from Analog Devices. The BRZ suffix denotes the industrial temperature grade (-40°C to +85°C) and lead-free construction. The RL7 suffix specifically identifies the tape and reel packaging format, distinguishing it from tube-packaged variants like the AD421BRZ.
Replacement Considerations
Direct pin-compatible replacements within the same family include the AD421BRZ (tube package). Cross-family comparisons should focus on other 16-bit current-output DACs with similar 3-wire interfaces and supply voltage requirements.
